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Although the cast crank that comes with the CHP 331 stroker kit is made of nodular iron, which is fine for most applications, we went with the forged-steel unit, a $300 option. Although you can’t tell from the photo, our crank has the narrow parting line typical of a forged crankshaft. A cast crank can be spotted by the presence of a wider parting line, usually about 1/2-inch in width. View Related Article
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